One vertex per element, one color per generator, with an edge from x to x·s.
(2,6)(3,7)(9,10)(11,12)(13,15)(14,16)(19,24)(21,23)(25,26,30,29)(27,28,32,31)(1,2,5,6)(3,8,7,4)(9,11,14,15)(10,13,16,12)(17,18,22,20)(19,21,24,23)(25,27,30,32)(26,31,29,28)(2,6)(4,8)(9,12,14,13)(10,11,16,15)(17,19,22,24)(18,23,20,21)(25,28,30,31)(26,32,29,27)(1,3,5,7)(2,4,6,8)(9,13,14,12)(10,15,16,11)(17,20,22,18)(19,21,24,23)(25,27)(26,28)(29,31)(30,32)(1,4)(2,3)(5,8)(6,7)(9,10)(11,13)(12,15)(14,16)(17,21)(18,19)(20,24)(22,23)(25,29,30,26)(27,28,32,31)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.